StateMunger Class Reference

This is just a simple derivative of GeomMunger that adds the ability to munge states. More...

#include "stateMunger.h"

Inheritance diagram for StateMunger:

Public Member Functions
	StateMunger (GraphicsStateGuardianBase *gsg)
virtual TypeHandle	force_init_type ()
virtual TypeHandle	get_type () const
ConstPointerTo< RenderState >	munge_state (const RenderState *state)
	Given an input state, returns the munged state.
bool	should_munge_state () const
	Returns true if this munger has something interesting to do to the state.
Public Member Functions inherited from GeomMunger
	GeomMunger (const GeomMunger &copy)
	GeomMunger (GraphicsStateGuardianBase *gsg)
int	compare_to (const GeomMunger &other) const
int	geom_compare_to (const GeomMunger &other) const
GraphicsStateGuardianBase *	get_gsg () const
	Returns a pointer to the GSG that created this munger.
bool	is_registered () const
	Returns true if this munger has been registered, false if it has not.
ConstPointerTo< GeomVertexData >	munge_data (const GeomVertexData *data) const
ConstPointerTo< GeomVertexFormat >	munge_format (const GeomVertexFormat *format, const GeomVertexAnimationSpec &animation) const
bool	munge_geom (ConstPointerTo< Geom > &geom, ConstPointerTo< GeomVertexData > &data, bool force, Thread *current_thread)
	Applies the indicated munger to the geom and its data, and returns a (possibly different) geom and data, according to the munger's whim.
void	operator= (const GeomMunger &copy)
ConstPointerTo< GeomVertexData >	premunge_data (const GeomVertexData *data) const
ConstPointerTo< GeomVertexFormat >	premunge_format (const GeomVertexFormat *format) const
void	premunge_geom (ConstPointerTo< Geom > &geom, ConstPointerTo< GeomVertexData > &data) const
void	remove_data (const GeomVertexData *data)
	Removes a prepared GeomVertexData from the cache.
Public Member Functions inherited from TypedReferenceCount
	TypedReferenceCount (const TypedReferenceCount &copy)
void	operator= (const TypedReferenceCount &copy)
Public Member Functions inherited from TypedObject
	TypedObject (const TypedObject &copy)=default
TypedObject *	as_typed_object ()
	Returns the object, upcast (if necessary) to a TypedObject pointer.
const TypedObject *	as_typed_object () const
	Returns the object, upcast (if necessary) to a TypedObject pointer.
int	get_best_parent_from_Set (const std::set< int > &) const
int	get_type_index () const
	Returns the internal index number associated with this object's TypeHandle, a unique number for each different type.
bool	is_exact_type (TypeHandle handle) const
	Returns true if the current object is the indicated type exactly.
bool	is_of_type (TypeHandle handle) const
	Returns true if the current object is or derives from the indicated type.
TypedObject &	operator= (const TypedObject &copy)=default
Public Member Functions inherited from MemoryBase
void	operator delete (void *, void *)
void	operator delete (void *ptr)
void	operator delete[] (void *, void *)
void	operator delete[] (void *ptr)
void *	operator new (size_t size)
void *	operator new (size_t size, void *ptr)
void *	operator new[] (size_t size)
void *	operator new[] (size_t size, void *ptr)
Public Member Functions inherited from ReferenceCount
int	get_ref_count () const
WeakReferenceList *	get_weak_list () const
	Returns the WeakReferenceList associated with this ReferenceCount object.
bool	has_weak_list () const
	Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise.
void	local_object ()
	This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack.
void	ref () const
	Explicitly increments the reference count.
bool	ref_if_nonzero () const
	Atomically increases the reference count of this object if it is not zero.
bool	test_ref_count_integrity () const
	Does some easy checks to make sure that the reference count isn't completely bogus.
bool	test_ref_count_nonzero () const
	Does some easy checks to make sure that the reference count isn't zero, or completely bogus.
virtual bool	unref () const
	Explicitly decrements the reference count.
bool	unref_if_one () const
	Atomically decreases the reference count of this object if it is one.
WeakReferenceList *	weak_ref ()
	Adds the indicated PointerToVoid as a weak reference to this object.
void	weak_unref ()
	Removes the indicated PointerToVoid as a weak reference to this object.

Static Public Member Functions
static TypeHandle	get_class_type ()
static void	init_type ()
Static Public Member Functions inherited from GeomMunger
static TypeHandle	get_class_type ()
static void	init_type ()
static PointerTo< GeomMunger >	register_munger (GeomMunger *munger, Thread *current_thread)
static void	unregister_mungers_for_gsg (GraphicsStateGuardianBase *gsg)
	Removes all the mungers from the registry that are associated with the indicated GSG.
Static Public Member Functions inherited from TypedReferenceCount
static TypeHandle	get_class_type ()
static void	init_type ()
Static Public Member Functions inherited from TypedObject
static TypeHandle	get_class_type ()
static void	init_type ()
	This function is declared non-inline to work around a compiler bug in g++ 2.96.
Static Public Member Functions inherited from ReferenceCount
static TypeHandle	get_class_type ()
static void	init_type ()

Additional Inherited Members
Public Types inherited from GeomEnums
enum	AnimationType { AT_none , AT_panda , AT_hardware }
enum	Contents {   C_other , C_point , C_clip_point , C_vector ,   C_texcoord , C_color , C_index , C_morph_delta ,   C_matrix , C_normal }
enum	GeomRendering {   GR_indexed_point = 0x00001 , GR_indexed_other = 0x10000 , GR_indexed_bits = 0x10001 , GR_point = 0x00002 ,   GR_point_uniform_size = 0x00004 , GR_per_point_size = 0x00008 , GR_point_perspective = 0x00010 , GR_point_aspect_ratio = 0x00020 ,   GR_point_scale = 0x00040 , GR_point_rotate = 0x00080 , GR_point_sprite = 0x00100 , GR_point_sprite_tex_matrix = 0x00200 ,   GR_point_bits = 0x003fe , GR_triangle_strip = 0x00400 , GR_triangle_fan = 0x00800 , GR_line_strip = 0x01000 ,   GR_composite_bits = 0x01c00 , GR_strip_cut_index = 0x20000 , GR_flat_first_vertex = 0x02000 , GR_flat_last_vertex = 0x04000 ,   GR_shade_model_bits = 0x06000 , GR_render_mode_wireframe = 0x40000 , GR_render_mode_point = 0x80000 , GR_adjacency = 0x100000 }
enum	NumericType {   NT_uint8 , NT_uint16 , NT_uint32 , NT_packed_dcba ,   NT_packed_dabc , NT_float32 , NT_float64 , NT_stdfloat ,   NT_int8 , NT_int16 , NT_int32 , NT_packed_ufloat }
enum	PrimitiveType {   PT_none , PT_polygons , PT_lines , PT_points ,   PT_patches }
enum	ShadeModel { SM_uniform , SM_smooth , SM_flat_first_vertex , SM_flat_last_vertex }
enum	UsageHint {   UH_client , UH_stream , UH_dynamic , UH_static ,   UH_unspecified }
Public Attributes inherited from TypedObject
	get_type
Public Attributes inherited from ReferenceCount
	get_ref_count
	Returns the current reference count.

Detailed Description

This is just a simple derivative of GeomMunger that adds the ability to munge states.

That functionality can't be declared in the base class, since it doesn't really know about RenderState.

Definition at line 26 of file stateMunger.h.

Constructor & Destructor Documentation

StateMunger()

StateMunger::StateMunger ( GraphicsStateGuardianBase * gsg )

inline

Definition at line 17 of file stateMunger.I.

~StateMunger()

StateMunger::~StateMunger ( )

virtual

Definition at line 21 of file stateMunger.cxx.

Member Function Documentation

force_init_type()

virtual TypeHandle StateMunger::force_init_type ( )

inlinevirtual

Reimplemented from GeomMunger.

Definition at line 51 of file stateMunger.h.

get_class_type()

static TypeHandle StateMunger::get_class_type ( )

inlinestatic

Definition at line 40 of file stateMunger.h.

get_type()

virtual TypeHandle StateMunger::get_type ( ) const

inlinevirtual

Reimplemented from GeomMunger.

Definition at line 48 of file stateMunger.h.

init_type()

static void StateMunger::init_type ( )

inlinestatic

Definition at line 43 of file stateMunger.h.

munge_state()

ConstPointerTo< RenderState > StateMunger::munge_state

(

const RenderState *

state

)

Given an input state, returns the munged state.

Definition at line 28 of file stateMunger.cxx.

References SimpleHashMap< Key, Value, Compare >::find(), SimpleHashMap< Key, Value, Compare >::get_data(), GeomMunger::get_gsg(), SimpleHashMap< Key, Value, Compare >::remove_element(), and SimpleHashMap< Key, Value, Compare >::store().

Referenced by CullableObject::munge_geom(), and GeomNode::r_prepare_scene().

should_munge_state()

bool StateMunger::should_munge_state ( ) const

inline

Returns true if this munger has something interesting to do to the state.

Definition at line 27 of file stateMunger.I.

Referenced by CullableObject::munge_geom().

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The documentation for this class was generated from the following files:

• panda/src/pgraph/stateMunger.h
• panda/src/pgraph/stateMunger.cxx
• panda/src/pgraph/stateMunger.I